1 files changed, 122 insertions, 0 deletions
diff --git a/deps/npm/test/tap/install-save-consistent-newlines.js b/deps/npm/test/tap/install-save-consistent-newlines.js
new file mode 100644
index 0000000000..6250377445
--- /dev/null
+++ b/deps/npm/test/tap/install-save-consistent-newlines.js
@@ -0,0 +1,122 @@
+'use strict'
+
+const fs = require('graceful-fs')
+const path = require('path')
+
+const mkdirp = require('mkdirp')
+const mr = require('npm-registry-mock')
+const osenv = require('osenv')
+const rimraf = require('rimraf')
+const test = require('tap').test
+
+const common = require('../common-tap.js')
+
+const pkg = path.join(__dirname, 'install-save-consistent-newlines')
+
+const EXEC_OPTS = { cwd: pkg }
+
+const json = {
+  name: 'install-save-consistent-newlines',
+  version: '0.0.1',
+  description: 'fixture'
+}
+
+var server
+
+test('setup', function (t) {
+  setup('\n')
+  mr({ port: common.port }, function (er, s) {
+    server = s
+    t.end()
+  })
+})
+
+test('\'npm install --save\' should keep the original package.json line endings (LF)', function (t) {
+  common.npm(
+    [
+      '--loglevel', 'silent',
+      '--registry', common.registry,
+      '--save',
+      'install', 'underscore@1.3.1'
+    ],
+    EXEC_OPTS,
+    function (err, code) {
+      t.ifError(err, 'npm ran without issue')
+      t.notOk(code, 'npm install exited without raising an error code')
+
+      const pkgPath = path.resolve(pkg, 'package.json')
+      const pkgStr = fs.readFileSync(pkgPath, 'utf8')
+
+      t.match(pkgStr, '\n')
+      t.notMatch(pkgStr, '\r')
+
+      const pkgLockPath = path.resolve(pkg, 'package-lock.json')
+      const pkgLockStr = fs.readFileSync(pkgLockPath, 'utf8')
+
+      t.match(pkgLockStr, '\n')
+      t.notMatch(pkgLockStr, '\r')
+
+      t.end()
+    }
+  )
+})
+
+test('\'npm install --save\' should keep the original package.json line endings (CRLF)', function (t) {
+  setup('\r\n')
+
+  common.npm(
+    [
+      '--loglevel', 'silent',
+      '--registry', common.registry,
+      '--save',
+      'install', 'underscore@1.3.1'
+    ],
+    EXEC_OPTS,
+    function (err, code) {
+      t.ifError(err, 'npm ran without issue')
+      t.notOk(code, 'npm install exited without raising an error code')
+
+      const pkgPath = path.resolve(pkg, 'package.json')
+      const pkgStr = fs.readFileSync(pkgPath, 'utf8')
+
+      t.match(pkgStr, '\r\n')
+      t.notMatch(pkgStr, /[^\r]\n/)
+
+      const pkgLockPath = path.resolve(pkg, 'package-lock.json')
+      const pkgLockStr = fs.readFileSync(pkgLockPath, 'utf8')
+
+      t.match(pkgLockStr, '\r\n')
+      t.notMatch(pkgLockStr, /[^\r]\n/)
+
+      t.end()
+    }
+  )
+})
+
+test('cleanup', function (t) {
+  server.close()
+  cleanup()
+  t.end()
+})
+
+function cleanup () {
+  process.chdir(osenv.tmpdir())
+  rimraf.sync(pkg)
+}
+
+function setup (lineEnding) {
+  cleanup()
+  mkdirp.sync(path.resolve(pkg, 'node_modules'))
+
+  var jsonStr = JSON.stringify(json, null, 2)
+
+  if (lineEnding === '\r\n') {
+    jsonStr = jsonStr.replace(/\n/g, '\r\n')
+  }
+
+  fs.writeFileSync(
+    path.join(pkg, 'package.json'),
+    jsonStr
+  )
+  process.chdir(pkg)
+}